qyadmin/app/Http/Controllers/Api/WeixinController.php

<?php

namespace App\Http\Controllers\Api;

use App\Service\Weixin\WeixinService;
use Illuminate\Http\Request;

class WeixinController extends BaseController
{
    /**
     * 用于微信token验证，全部通用
     * @param Request $request
     * @return void
     */
    public function checkForWx(Request $request)
    {
        $data = $request->all();
        $signature = $data["signature"];
        $timestamp = $data["timestamp"];
        $nonce = $data["nonce"];

        $config = config('qingyaoWx');
        $token = $config['token'];
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );
        if( $tmpStr == $signature ){
            echo $data['echostr'];die;
        }else{
            die('fail');
        }
    }
}